7 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Gravis, Graves' Disease ... Type III Hypersensitivity ... • Ex: Systemic Lupus ... #Classification ... #Diagnosis #Definitions
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
during hemolytic disease ... , and systemic lupus ... #Types #Classification ... #Pathophysiology ... #Allergy #Diagnosis
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes ... reaction, Haemolytic disease ... Examples: Contact dermatitis ... allergy #table #classification ... #comparison
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... • Autoimmune diseases ... • Hypersensitivity ... (e.g. systemic lupus ... #types #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... inflammation Others: • Lupus ... such as systemic lupus ... Presentation - Systemic Symptoms ... #rheumatology #classification
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
with systemic disease ... Causes: - Idiopathic ... such as certain types ... Leukocytoclastic vasculitis ... ’s syndrome - Lupus
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... form of delayed-type ... hypersensitivity ... of necrotizing vasculitis ... #differential #diagnosis